31223341101 has 4 divisors (see below), whose sum is σ = 41631121472. Its totient is φ = 20815560732.

The previous prime is 31223341099. The next prime is 31223341109. The reversal of 31223341101 is 10114332213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10114332213 = 3 ⋅3371444071.

It is not a de Polignac number, because 31223341101 - 2¹ = 31223341099 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31223341109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5203890181 + ... + 5203890186.

It is an arithmetic number, because the mean of its divisors is an integer number (10407780368).

Almost surely, 2^31223341101 is an apocalyptic number.

It is an amenable number.

31223341101 is a deficient number, since it is larger than the sum of its proper divisors (10407780371).

31223341101 is a wasteful number, since it uses less digits than its factorization.

31223341101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10407780370.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 31223341101 its reverse (10114332213), we get a palindrome (41337673314).

The spelling of 31223341101 in words is "thirty-one billion, two hundred twenty-three million, three hundred forty-one thousand, one hundred one".